Out-of-bounds read in Linux kernel - CVE-2022-50306

Vulnerability identifier: #VU115407

CSH Severity: Low

CVSS v4 BT: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-50306

CWE-ID: CWE-125

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to an out-of-bounds read error within the ext4_fc_replay_cleanup(), ext4_fc_replay_scan() and ext4_fc_replay() functions in fs/ext4/fast_commit.c. A local user can perform a denial of service (DoS) attack.

Linux kernel
openEuler
python3-perf-debuginfo
python3-perf
perf-debuginfo
perf
kernel-tools-devel
kernel-tools-debuginfo
kernel-tools
kernel-source
kernel-headers
kernel-devel
kernel-debugsource
kernel-debuginfo
kernel
bpftool-debuginfo
bpftool

Install update from vendor's repository.

Linux kernel - update to 6.0.6
python3-perf-debuginfo - addressed in versions 5.10.0-287.0.0.189, 5.10.0-287.0.0.190
python3-perf - addressed in versions 5.10.0-287.0.0.189, 5.10.0-287.0.0.190
perf-debuginfo - addressed in versions 5.10.0-287.0.0.189, 5.10.0-287.0.0.190
perf - addressed in versions 5.10.0-287.0.0.189, 5.10.0-287.0.0.190
kernel-tools-devel - addressed in versions 5.10.0-287.0.0.189, 5.10.0-287.0.0.190
kernel-tools-debuginfo - addressed in versions 5.10.0-287.0.0.189, 5.10.0-287.0.0.190
kernel-tools - addressed in versions 5.10.0-287.0.0.189, 5.10.0-287.0.0.190
kernel-source - addressed in versions 5.10.0-287.0.0.189, 5.10.0-287.0.0.190
kernel-headers - addressed in versions 5.10.0-287.0.0.189, 5.10.0-287.0.0.190
kernel-devel - addressed in versions 5.10.0-287.0.0.189, 5.10.0-287.0.0.190
kernel-debugsource - addressed in versions 5.10.0-287.0.0.189, 5.10.0-287.0.0.190
kernel-debuginfo - addressed in versions 5.10.0-287.0.0.189, 5.10.0-287.0.0.190
kernel - addressed in versions 5.10.0-287.0.0.189, 5.10.0-287.0.0.190
bpftool-debuginfo - update to 5.10.0-287.0.0.190
bpftool - update to 5.10.0-287.0.0.190

• https://git.kernel.org/stable/c/1b45cc5c7b920fd8bf72e5a888ec7abeadf41e09
• https://git.kernel.org/stable/c/6969367c1500c15eddc38fda12f6d15518ad6d03
• https://git.kernel.org/stable/c/f234294812c9b68d603650d28743eafb718e7ad5
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.6

• Out-of-bounds read in Linux kernel ext4
• openEuler 22.03 LTS SP4 update for kernel
• openEuler 22.03 LTS SP3 update for kernel